Pyloric stenosis

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Learn the signs and symptoms to look for if you think your baby may have pyloric stenosis (a narrowing or blockage between the stomach and the intestines).

Key points

  • Pyloric stenosis is when the opening between the stomach and intestine becomes very narrow.
  • Symptoms include persistent projectile vomiting (not simply 'spitting up') and hunger after vomiting.
  • Seek medical assistance right away if you think your baby is dehydrated or has pyloric stenosis.
  • The baby will need a simple operation.
Last updated: March 5th 2010